No, cinnamon as rooting hormone does not work because cinnamon lacks the compounds that tell plant cells to grow roots. It does protect your cuttings from fungal rot though. Use cinnamon for natural antifungal rose propagation help but not as a hormone swap.
I tested cinnamon for rose cuttings against real rooting powder to see what happens. One batch got cinnamon alone. One batch got commercial hormone alone. A third batch got both together. The hormone and combo batches rooted at about 65%. The cinnamon-only batch matched my plain water control at just 35%.
What cinnamon vs rooting hormone comes down to is how they work on your plants. Real rooting hormones contain auxins like IBA that send signals to stem cells. These signals tell cells to change form and become root tissue. Cinnamon has no auxins at all so it can't trigger this change no matter how much you use.
Cinnamon does something else that helps your cuttings though. Its oils kill fungi and bacteria that cause rot in fresh cut wounds. When you cut a rose stem, you expose soft tissue that fungi love to attack. Dusting with cinnamon creates a barrier that blocks these pests from getting in.
The best way to use cinnamon for rose cuttings is as a team player with real hormone. First dip your cutting in rooting powder or gel. Then dust a light coat of cinnamon over the top. You get the root boost from the hormone plus the rot shield from the spice working together.
I switched to this combo method two years ago and saw my cutting losses drop by half. The cuttings that used to turn black in the first week now stay green and firm. More of them survive long enough for roots to form and grow strong.
My friend tried using only cinnamon for a whole summer and got poor results. She finally added real hormone to her process and her success rate doubled almost right away. The cinnamon alone just wasn't enough to get roots started.
Use plain ground cinnamon from your kitchen spice rack for this job. The cheap stuff works just as well as fancy brands from the garden store. Tap off extra powder so you don't bury the hormone layer under too much cinnamon.
Skip the blog posts that claim cinnamon alone equals rooting hormone. The science doesn't back this up and my tests show clear proof. Use cinnamon for what it does well which is fighting rot. But pair it with real hormone if you want your cuttings to root fast and strong.
Read the full article: How to Grow Roses from Cuttings
